John Day Fossil Beds National Monument—Sheep Rock

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John Day Fossil Beds National Monument—Sheep Rock

description

Summary

Sheep Rock in John Day Fossil Beds National Monument is capped by resistent Columbia Plateau Basalt. Softer layers of lake, river, and volcanic ash deposits contain an extraordinary array of horse and other fossils.

date_range

Date

2019
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Source

National Parks Gallery
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Copyright info

Public Domain Dedication

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plate tectonics
plate tectonics